Earthquakes on February 27, 2026: 289 Worldwide, Largest M5.3

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-02-27 2026-02-27 23:56:05 UTC	2.4md	45 km W of Petrolia, CA 40.349°, -124.818°	7.6 km	-	-	-	✓ Reviewed	USGS →
February 27, 2026 brought a magnitude 2.4 earthquake 45 km W of Petrolia, CA, logged at 23:56 UTC. At a depth of 7.6 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 40.349°, -124.818°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 23:46:26 UTC	2.6ml	32 km WNW of Willow, Alaska 61.862°, -150.604°	54.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.6 seismic event took place 32 km WNW of Willow, Alaska on February 27, 2026 at 23:46 UTC. The event originated approximately 54.8 km below the surface, classifying it as shallow crustal. The epicenter is at 61.862°, -150.604°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 23:38:39 UTC	4.2mb	16 km SW of Altıağac, Azerbaijan 40.751°, 48.802°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake 16 km SW of Altıağac, Azerbaijan at 23:38 UTC on February 27, 2026. Coming 12 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 40.751°, 48.802°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 23:06:38 UTC	4.4mb	Bonin Islands, Japan region 28.027°, 139.918°	446.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 earthquake was recorded in the Bonin Islands, Japan region on February 27, 2026 at 23:06 UTC. At 446.6 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The epicenter is at 28.027°, 139.918°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:53:56 UTC	2.2ml	8 km SE of Ratliff City, Oklahoma 34.406°, -97.437°	5.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 earthquake was recorded 8 km SE of Ratliff City, Oklahoma on February 27, 2026 at 22:53 UTC. At a depth of 5.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 34.406°, -97.437°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:44:37 UTC	4.5mb	177 km SSE of Vilyuchinsk, Russia 51.574°, 159.769°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake 177 km SSE of Vilyuchinsk, Russia came in on February 27, 2026 at 22:44 UTC. At a depth of 10.0 km, the event was shallow crustal. Coordinates: 51.574°, 159.769°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:26:40 UTC	3.1ml	20 km ESE of Wright, Wyoming 43.653°, -105.274°	0.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.1 earthquake 20 km ESE of Wright, Wyoming with origin time 22:26 UTC on February 27, 2026. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Coordinates: 43.653°, -105.274°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:26:33 UTC	4.2mb	140 km NE of Bitung, Indonesia 2.426°, 125.919°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 140 km NE of Bitung, Indonesia on February 27, 2026, with origin time 22:26 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 2.426°, 125.919°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:15:39 UTC	2.3ml	111 km N of Yakutat, Alaska 60.543°, -139.991°	7.4 km	-	-	-	✓ Reviewed	USGS →
On February 27, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 111 km N of Yakutat, Alaska at 22:15 UTC. It arrived roughly 21 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of 7.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 60.543°, -139.991°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:13:18 UTC	2.1md	10 km NNE of Talmage, CA 39.209°, -123.115°	4.3 km	1	-	-	✓ Reviewed	USGS →
On February 27, 2026 at 22:13 UTC, a magnitude 2.1 earthquake struck 10 km NNE of Talmage, CA. At a depth of just 4.3 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. A small number of nearby observers (1) submitted felt reports to the USGS. Geolocation places the event at 39.209°N, -123.115°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:07:19 UTC	2.8ml	43 km E of Pedro Bay, Alaska 59.752°, -153.329°	118.7 km	-	-	-	✓ Reviewed	USGS →
February 27, 2026 brought a magnitude 2.8 earthquake 43 km E of Pedro Bay, Alaska, logged at 22:07 UTC. At a depth of 118.7 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 59.752°, -153.329°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 22:01:16 UTC	4.1mb	18 km N of Shamakhi, Azerbaijan 40.792°, 48.680°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 seismic event took place 18 km N of Shamakhi, Azerbaijan on February 27, 2026 at 22:01 UTC. It arrived roughly 10 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 40.792°, 48.680°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 21:56:31 UTC	2.8ml	13 km WSW of Nanwalek, Alaska 59.315°, -152.146°	62.2 km	-	-	-	✓ Reviewed	USGS →
On February 27, 2026 at 21:56 UTC, a magnitude 2.8 earthquake struck 13 km WSW of Nanwalek, Alaska. The event originated approximately 62.2 km below the surface, classifying it as shallow crustal. Geolocation places the event at 59.315°N, -152.146°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 21:31:26 UTC	4.2mb	47 km SW of Tambolaka, Indonesia -9.780°, 118.990°	59.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.2 earthquake 47 km SW of Tambolaka, Indonesia came in on February 27, 2026 at 21:31 UTC. At a depth of 59.7 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at -9.780°N, 118.990°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 21:11:42 UTC	2.0ml	105 km N of Yakutat, Alaska 60.480°, -140.028°	7.4 km	-	-	-	✓ Reviewed	USGS →
At 21:11 UTC on February 27, 2026, a magnitude 2.0 tremor occurred 105 km N of Yakutat, Alaska. Coming 20 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 7.4 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.480°, -140.028°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 21:01:23 UTC	2.1md	7 km ENE of Bonadelle Ranchos-Madera Ranchos, CA 37.002°, -119.803°	-0.1 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 7 km ENE of Bonadelle Ranchos-Madera Ranchos, CA with origin time 21:01 UTC on February 27, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 20 hours earlier. At a depth of just -0.1 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Geolocation places the event at 37.002°N, -119.803°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:37:52 UTC	2.2ml	56 km S of Whites City, New Mexico 31.671°, -104.409°	6.1 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.2 earthquake 56 km S of Whites City, New Mexico with origin time 19:37 UTC on February 27, 2026. It arrived roughly 1 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event originated approximately 6.1 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 31.671°, -104.409°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:31:56 UTC	2.5ml	93 km SW of Nikolski, Alaska 52.458°, -169.987°	29.6 km	-	-	-	✓ Reviewed	USGS →
On February 27, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 93 km SW of Nikolski, Alaska at 19:31 UTC. Coming 2 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 29.6 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.458°, -169.987°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:28:33 UTC	2.0ml	112 km N of Yakutat, Alaska 60.546°, -140.047°	6.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 112 km N of Yakutat, Alaska at 19:28 UTC on February 27, 2026. It arrived roughly 19 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 6.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 60.546°, -140.047°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:24:04 UTC	4.2mb	52 km SSE of Barishal, Pakistan 35.882°, 74.907°	47.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 seismic event took place 52 km SSE of Barishal, Pakistan on February 27, 2026 at 19:24 UTC. The event originated approximately 47.8 km below the surface, classifying it as shallow crustal. Coordinates: 35.882°, 74.907°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:21:27 UTC	4.6mb	66 km NNW of Pototano, Indonesia -7.823°, 117.359°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 27, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 66 km NNW of Pototano, Indonesia at 19:21 UTC. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -7.823°N, 117.359°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:15:00 UTC	3.1ml	57 km S of Whites City, New Mexico 31.655°, -104.396°	5.5 km	1	-	-	✓ Reviewed	USGS →
On February 27, 2026, worldwide seismic activity registered a magnitude 3.1 earthquake 57 km S of Whites City, New Mexico at 19:15 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 5.5 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 31.655°, -104.396°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:01:49 UTC	4.4mb	273 km WNW of Houma, Tonga -20.605°, -177.857°	503.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.4 earthquake 273 km WNW of Houma, Tonga with origin time 19:01 UTC on February 27, 2026. At 503.5 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at -20.605°N, -177.857°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 19:01:28 UTC	4.7mb	41 km S of Hihifo, Tonga -16.324°, -173.753°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 seismic event took place 41 km S of Hihifo, Tonga on February 27, 2026 at 19:01 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: -16.324°, -173.753°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:58:08 UTC	4.3mb	136 km NNW of Finschhafen, Papua New Guinea -5.501°, 147.216°	191.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 136 km NNW of Finschhafen, Papua New Guinea on February 27, 2026 at 18:58 UTC. This was a intermediate depth earthquake, focused at 191.1 km depth. Geolocation places the event at -5.501°N, 147.216°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:55:55 UTC	4.2mb	11 km ENE of Orcopampa, Peru -15.211°, -72.252°	154.1 km	-	-	-	✓ Reviewed	USGS →
February 27, 2026 brought a magnitude 4.2 earthquake 11 km ENE of Orcopampa, Peru, logged at 18:55 UTC. This was a intermediate depth earthquake, focused at 154.1 km depth. The epicenter is at -15.211°, -72.252°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:51:33 UTC	2.0ml	116 km N of Yakutat, Alaska 60.589°, -139.863°	11.4 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.0 event was detected 116 km N of Yakutat, Alaska on February 27, 2026, with origin time 18:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 9 hours earlier. The hypocenter lay at 11.4 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.589°N, -139.863°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:45:03 UTC	2.1ml	6 km SE of Ratliff City, Oklahoma 34.415°, -97.449°	5.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 6 km SE of Ratliff City, Oklahoma on February 27, 2026 at 18:45 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. This was a shallow crustal earthquake, focused at 5.8 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 34.415°, -97.449°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:43:02 UTC	2.0ml	85 km E of McCarthy, Alaska 61.568°, -141.342°	7.3 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.0 earthquake 85 km E of McCarthy, Alaska came in on February 27, 2026 at 18:43 UTC. At a depth of 7.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 61.568°, -141.342°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-27 2026-02-27 18:36:22 UTC	2.2ml	40 km N of Petersville, Alaska 62.859°, -150.897°	93.6 km	-	-	-	✓ Reviewed	USGS →
On February 27, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 40 km N of Petersville, Alaska at 18:36 UTC. This was a intermediate depth earthquake, focused at 93.6 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 62.859°N, -150.897°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.

Legend:

Mag: Magnitude ({magType} = ml, mb, mw, etc.)

Felt: Number of DYFI felt reports

MMI: Modified Mercalli Intensity (I-X+)

Alert: PAGER alert level

Depth: Shallow (<70km), Intermediate, Deep (>300km)

Status: Auto = preliminary, Reviewed = verified by seismologist

Click any row to see additional technical details.

About This Page

This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on February 27, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.

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